sorianoj989 sorianoj989
  • 26-02-2021
  • Mathematics
contestada

Can someone help me with this please

Can someone help me with this please class=

Respuesta :

DWRead
DWRead DWRead
  • 26-02-2021

Answer:

Step-by-step explanation:

It doesn’t say if x is a diameter or if the extended chord is a hypotenuse. I will assume so; it’s the only solution I can think of.

(x/2)^2 + (x/2 + 2)^2 = (7+5)^2

(x/2)^2 + 2x - 140 = 0

x = -2 ± 2√71

-2 - 2√71 Is an extraneous solution, so x = -2 + 2√71

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